/Engine/Source/Runtime/AudioMixer/Public/AudioMixerDevice.h
Creates a queue for audio decode requests with a specific Id. Tasks created with this Id will not be started immediately upon creation, but will instead be queued up to await a start "kick" later.
static void CreateSynchronizedAudioTaskQueue ( [AudioTaskQueueId](API\Runtime\Engine\Sound\AudioTaskQueueId) QueueId )